Test log labels

.github/workflows/test/arm-auto-signoff-preview.test.js

@@ -1,8 +1,41 @@
-import { describe, expect, it } from "vitest";
+import { describe, expect, it, vi } from "vitest";
+import { createMockCore } from "../../test/mocks.js";
 import { armAutoSignoffPreviewImpl } from "../src/arm-auto-signoff-preview.js";
 
 describe("armAutoSignoffPreviewImpl", () => {
   it("rejects if inputs null", async () => {
     await expect(armAutoSignoffPreviewImpl({})).rejects.toThrow();
   });
+
+  it("logs labels", async () => {
+    const core = createMockCore();
+
+    const github = createMockGithub();
+    github.rest.issues.listLabelsOnIssue.mockResolvedValue({
+      data: [{ name: "TestLabel1" }, { name: "TestLabel2" }],
+    });
+
+    await expect(
+      armAutoSignoffPreviewImpl({
+        owner: "TestOwner",
+        repo: "TestRepo",
+        issue_number: 123,
+        head_sha: "abc123",
+        github: github,
+        core: core,
+      }),
+    ).resolves.toBeUndefined();
+
+    expect(core.info).toBeCalledWith('["TestLabel1","TestLabel2"]');
+  });
 });
+
+function createMockGithub() {
+  return {
+    rest: {
+      issues: {
+        listLabelsOnIssue: vi.fn(),
+      },
+    },
+  };
+}